AirStage AO54FJ, Service Manual

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1-1 Test run ( cooling & Heating )
All the indoor units connected to the outdoor unit can be test-operated by DIP switch setting.
SELECTOR SWITCH FOR TEST RUN AND NORMAL OPERATION
1-2 Pump down operation
Pump down operation is set with SW1- 3
1-3 Forced oil recovery operation
PUMP DOWN OPERATION
FORCED OIL RECOVERY OPERATION
2-1 Silent operation mode
For a reduction of noise level at night, the operating mode of the outdoor unit can be switched.
(In the cooling mode only.)
SILENT OPERATION MODE
Silent operation mode
Release
SW 2-1
ON Operate
OFF
2-2 SW 2-2
DIP SW 2-2 setting Forbidden
SW2-2
OFF
SW1-2 SW1-1 Test Run Remarks
OFF
OFF Normal operation
OFF
ON Cooling test run SW1-1 / SW1-2 : OFF / OFF or ON / ON ON / OFF
ON OFF Heating test run
SW1-1 / SW1-2 : OFF / OFF or ON / ON ON / OFF
ON
ON Normal operation
SW1-3 Pump down operation Remarks
OFF Release
ON Operate
OFF ON and be kept at ON
position for more than 40 sec.
SW1-4 Forced oil recovery operation Remarks
OFF Release
ON Operate
( Factory setting)
( Factory setting)
( Factory setting)
( Factory setting)
DIP SWITCH SETTING
(1) SW1 setting
(2) SW2 setting
Forced oil recovery operation is set with SW1- 4
OFF ON and be kept at ON
position for more than 10 sec.
2-3-2 OUTDOOR UNIT
02-16